linux-kernel - [PATCH v1 1/1] hwmon: (occ) Replace open-coded variant of %*phN specifier

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Date:   Tue, 26 Jul 2022 17:31:10 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Guenter Roeck <linux@...ck-us.net>,
        Eddie James <eajames@...ux.ibm.com>,
        linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Jean Delvare <jdelvare@...e.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1 1/1] hwmon: (occ) Replace open-coded variant of %*phN specifier

printf()-like functions in the kernel have extensions, such as
%*phN to dump small pieces of memory as hex bytes.

Replace custom approach with the direct use of %*phN.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/hwmon/occ/common.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/hwmon/occ/common.c b/drivers/hwmon/occ/common.c
index 157b73a3da29..45407b12db4b 100644
--- a/drivers/hwmon/occ/common.c
+++ b/drivers/hwmon/occ/common.c
@@ -729,18 +729,14 @@ static ssize_t occ_show_extended(struct device *dev,
 			rc = sysfs_emit(buf, "%u",
 					get_unaligned_be32(&extn->sensor_id));
 		} else {
-			rc = sysfs_emit(buf, "%02x%02x%02x%02x\n",
-					extn->name[0], extn->name[1],
-					extn->name[2], extn->name[3]);
+			rc = sysfs_emit(buf, "%4phN\n", extn->name);
 		}
 		break;
 	case 1:
 		rc = sysfs_emit(buf, "%02x\n", extn->flags);
 		break;
 	case 2:
-		rc = sysfs_emit(buf, "%02x%02x%02x%02x%02x%02x\n",
-				extn->data[0], extn->data[1], extn->data[2],
-				extn->data[3], extn->data[4], extn->data[5]);
+		rc = sysfs_emit(buf, "%6phN\n", extn->data);
 		break;
 	default:
 		return -EINVAL;
-- 
2.35.1